High Energy Physics - Lattice
[Submitted on 22 Jan 2025
]
Title: Static-light meson spectroscopy with optimal distillation profiles
Title: 静态轻介子光谱与最佳扩散轮廓
Abstract: The spectrum of static-light and static-charm mesons is studied using optimized distillation in two different $N_{\rm{f}} = 3 + 1$ QCD ensembles with pion masses of $m_{\pi} \approx 800 \, \text{MeV}$ and $m_{\pi} \approx 420 \,\text{MeV}$ and a heavy (charm) quark. Local and derivative-based operators are used to access states of multiple quantum numbers. The use of optimal profiles is shown to improve the overlap with the energy states compared to standard distillation.
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